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50T起升机表格.doc

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50T起升机表格.doc

卷筒计算表第64页卷筒轴计算表起重量Gnt基本尺寸及数据ⅠⅠ断面ⅡⅡ断面ⅢⅢ断面草图轴总长Lcmd0cmd1cmd2cmR1cmR2cmL1cmL2cmL3cmL4cmL5cmL6cm作用力kg反力kg弯曲应力WIMIⅠ耐久安全系数)(nkn11弯曲应力ⅡⅡⅡWM耐久安全系数)(nkn21弯曲应力ⅢⅢⅢWM耐久安全系数)(nkn21L1ⅠⅢⅡⅠⅡⅢL4L3L2L5L6d0d1d2RARBR1AR1B弯矩MIkg/cm抗弯矩WIcm3应力Ikg/m2有效应力集中系数kσ尺寸因素εησ弯矩MⅡkg/cm抗弯矩WⅡcm3应力Ⅱkg/m2有效应力集中系数Kσ尺寸因素εησ弯矩MⅢkg/cm抗弯矩WⅢcm3应力σⅢkg/m2有效应力集中系数kσ尺寸因素εησ5114.287.550.20.21117.485.61852.612221338135512052170042.251510.743.72102042.24991.860.742.06352212.52822.10.823.5711287.55.50.20.210910.28117.851.414031157146011001960042.246510.744.111932042.24591.860.742.24205016.51242.20.787.3010165.887.55.50.20.2165.713.1113.818.851.418401720189416663130042.274310.742.573105042.27361.860.741.4265016.51602.20.785.7220(15)163.8119.550.20.2158.213.412321.87.52.129182522301894225280085.661710.802.935206085.66082.320.701.2881505121592.240.745.3530210.41312110.20.2205.315.2111.318.892.5430039004350385072400112.542110.684.1671600172.54162.131.681.91688073381.82.010.7010.9950205.81312110.250.25200.717.5159.2244.922.585940500060005000120000172.569510.672.5121500172.57041.940.681.285155007331161.920.708.1备注1)耐久限σⅠ0.4360.4360002580kg/cm22)许用安全系数对中级n86对重级n2起重量Gn(t)基本尺寸数据支点反力压应力)(压压StS弯曲、扭转合成应力稳定性验算草图)(筒弯扭弯合WMM22KPPtDP临卷)(25卷筒直径D卷cm总长度LcmL1cmL2cmL3cmL4cm卷筒壁厚σcm卷筒槽距tcm钢绳张力SkgRAkgRBkg应力σ压kg/cm2许用(σ压)kg/cm2最大弯矩M弯kg.cm扭矩M扭SD卷(kg.cm)抗弯矩W0.8D卷σ2σcm3应力σ合kg/cm2许用σ弯kg/cm2实际压应力卷DP25kg/cm2临界压应力卷临33δ8250000DPkg/cm2安全系数K许用压力KPP临SS湾湾L1l4ll2δt5中级301009247.51.343.21.31.31280122213387581500579003840085581.380065.61601.5107重级4010087.836.1744.71.41.61280140311575125175051250469943.7408657.41040150140.865.5570.31.41.617801840172019512080071250469984.255.68657.420(15)50150134.3551465.31.82272029182522155164700136000334074.05493.562.43065200184.779.117.6882.32.4410043003900743343000266200724060.252.788.258.85080200177.964.453578.452.752.85500594050601143970004400001314045.549.197.865.1备注BbL1d1EQ2Q2ABdDhhAA第37页固定轴计算表起重量GnkgAA断面BB断面轴径挤压应力212dGnp(kg/cm2)许用弯曲应力σ弯kg/cm2许用剪切应力τkg/cm2许用挤压应力Pkg/cm2弯矩/42mkgDlGnMA抗弯矩132cmhdbWA弯曲应力/2cmkgWMAAA弯矩/4cmkgdGmMB抗弯矩/1.023cmkgdWB/3cmkgWMBBB/2.3432cmkgrGnBDdlσhd1b30007.84.511.71.154.33.512672023.12918624.29201208429100060035050007.85.2128.06.36.51219500454341000027.43651001000012.57.528.51.759.491660000125480438072.960.110534815000159.019.72.159.591853900125400806072.9110.6157416200001710.519.72.5511.510216880023129612750100127.517041730000201323.83.1513.1132412700031540423600220107.2151385500002515.533.25.216.71333.832300085038065000220296250385备注1)切应力中元γ21d2)轴颈挤压力公式中元σ2为轨板相应厚度σ2σ0.15(cm)3)各断面应力均较小,不必进行耐久计算

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